CN111740487A - Flexible direct current distribution network for high-altitude area and distributed power supply access - Google Patents

Flexible direct current distribution network for high-altitude area and distributed power supply access Download PDF

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Publication number
CN111740487A
CN111740487A CN202010564071.XA CN202010564071A CN111740487A CN 111740487 A CN111740487 A CN 111740487A CN 202010564071 A CN202010564071 A CN 202010564071A CN 111740487 A CN111740487 A CN 111740487A
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China
Prior art keywords
reservoir
energy storage
power generation
distribution network
direct current
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Pending
Application number
CN202010564071.XA
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Chinese (zh)
Inventor
岳超
张舒凯
李美玲
王瑜
吕钧章
张文松
祁秋民
张丽娟
王正辉
李鑫
李洛
李兴
胡岗
张玮
朱子琪
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PowerChina Qinghai Electric Power Engineering Co Ltd
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PowerChina Qinghai Electric Power Engineering Co Ltd
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Priority to CN202010564071.XA priority Critical patent/CN111740487A/en
Publication of CN111740487A publication Critical patent/CN111740487A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/14—Balancing the load in a network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Photovoltaic Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention relates to the technical field of direct-current power distribution networks, in particular to a flexible direct-current power distribution network with access to a high-altitude area and a distributed power supply. The flexible direct current distribution network that high altitude area and distributed generator of this application inserted supplies power stably, and resource utilization is high.

Description

Flexible direct current distribution network for high-altitude area and distributed power supply access
Technical Field
The invention relates to the technical field of direct current distribution networks, in particular to a flexible direct current distribution network for high-altitude areas and distributed power access.
Background
Compared with an alternating-current distribution network, the direct-current distribution network provides loads through a direct-current bus, the direct-current loads can be directly supplied with power through the direct-current bus, the alternating-current loads need to be supplied with power through inverter equipment, and if the proportion of the direct-current loads in the loads is higherLarge, dc distribution would have great advantages. The direct-current distribution network has small line loss, high reliability, no need of phase-frequency control and strong distributed power supply accepting capability. Common distributed power supplies include photovoltaic power supplies, fans, fuel cells and the like, and most of the power supplies are direct current or are converted into direct current (fans) after being simply rectified. The flexible direct-current power distribution network is a new generation direct-current power transmission technology taking a voltage source converter as a core, is a power transmission technology with highest controllability and best adaptability in the world at present, and is suitable for renewable energy source grid connection, distributed power generation grid connection, island power supply, capacity-increasing transformation of urban power distribution networks and the like. Compared with an alternating current distribution network, the direct current distribution network can save a large number of current conversion links, greatly saves cost, has serious harmonic pollution and extremely high controllability of the alternating current distribution network, and can be used for solving the problems of high power consumption and high power consumption in recent yearsHigh pressure DC power transmission technologyHas become mature, and is widely applied to power systems,current converterThe development of various aspects such as a filter, a circuit breaker and the like is mature, a direct-current transmission network is more stable than an alternating-current transmission network, and the stability problem of the alternating-current transmission network can be fundamentally eliminated by adopting a direct-current mode to build a large power grid; thus low voltage direct currentPower distribution technologyGradually receive wide attention from scholars at home and abroad. In recent years, the high-voltage direct-current transmission technology is widely applied to power systems, and the low-voltage direct-current distribution technology is gradually concerned by scholars at home and abroad. DC distribution networkTransport capacityControllability, power supply quality improvement and reductionLine lossThe system has better performance than alternating current in the aspects of isolating alternating current and direct current faults, flexibly and conveniently accessing renewable energy sources and the like, can effectively improve the quality of electric energy, reduce the use of a power electronic converter, reduce the electric energy loss and the operation cost, coordinate contradictions between a large power grid and a distributed power supply, and fully exertDistributed energy resourceThe value and benefit of.
In some high-altitude areas, the power supply is inconvenient, the investment cost for building a power grid is high, the income is low, the maintenance is difficult, the high-altitude areas have abundant photovoltaic resources and wind resources, the high-altitude areas also have the advantage of wide living and rare people, the development of a distributed flexible direct-current power distribution network in the high-altitude areas is very necessary, the development requirements of national clean energy and intelligent power grid construction are met, and the famous life and production power consumption of the high-altitude areas are guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a flexible direct-current power distribution network accessed by a high-altitude area and a distributed power supply, wherein the flexible direct-current power distribution network accessed by the high-altitude area and the distributed power supply has stable power supply and high resource utilization rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
a flexible direct-current power distribution network accessed by a high-altitude area and a distributed power supply comprises a wind power generation module 2, a photovoltaic power generation module 3, an energy storage module 4, a transmission module 5 and a load 6; the wind power generation module 2 and the photovoltaic power generation module 3 are both electrically connected with the energy storage module 4; the energy storage module 4 is electrically connected with a load 6 through a transmission module 5.
Further, the energy storage module 4 comprises an energy storage battery and a residual electricity utilization assembly 1; the energy storage battery is electrically connected with the residual electricity utilization assembly 1.
Further, the residual electricity utilization assembly comprises a first reservoir 11, a dam 12, a second reservoir 13, a water drainage channel 14, a water pump and a generator; the first reservoir 11 is arranged above the second reservoir 13 and is in staggered design with the second reservoir 13; the dam is arranged at the front end of the first reservoir 11, and the water drainage channel is connected with the dam; the water in the first reservoir 11 enters a second reservoir 13 through a drainage channel; the water pump is arranged in the second reservoir 13 and is used for pumping water in the second reservoir 13 into the first reservoir 11; the generator is mounted on the dam 12; the generator can generate power when 11 water in the first reservoir enters the drainage channel through the dam; the water pump and the generator are both electrically connected with the energy storage battery.
Further, the second reservoir 13 is designed as an inverted cone.
Furthermore, the water pump is directly connected with the photovoltaic power generation module 3 through a remote switch controller.
Further, the wind power generation module 2 comprises a wind power generator set and an AC/DC converter, and the wind power generator set is electrically connected with the energy storage module 4 through the AC/DC converter.
Further, the photovoltaic power generation module 3 comprises a photovoltaic power generation group and a DC/DC converter, and the photovoltaic power generation group is electrically connected with the energy storage module 4 through the DC/DC converter.
The invention has the beneficial effects that: during the in-service use, wind power generation module converts wind energy into the electric energy, and photovoltaic power generation module converts solar energy into the electric energy to in the electric energy storage module that will convert the acquisition, the energy storage module receives electric power and discharges and stabilizes the output, is transmitting the electric energy to the load through transmission module, satisfies the famous life and the production power consumption in high altitude area. The flexible direct current distribution network that high altitude area and distributed generator of this application inserted supplies power stably, and resource utilization is high.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a schematic structural diagram of the residual electricity utilization assembly of the present invention.
Description of reference numerals: the system comprises a residual electricity utilization assembly 1, a wind power generation module 2, a photovoltaic power generation module 3, an energy storage module 4, a transmission module 5, a load 6, a first water reservoir 11, a dam 12, a second water reservoir 13 and a water drainage channel 14.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
A flexible direct-current power distribution network accessed by a high-altitude area and a distributed power supply comprises a wind power generation module 2, a photovoltaic power generation module 3, an energy storage module 4, a transmission module 5 and a load 6; the wind power generation module 2 and the photovoltaic power generation module 3 are both electrically connected with the energy storage module 4; the energy storage module 4 is electrically connected with a load 6 through a transmission module 5.
Further, the energy storage module 4 comprises an energy storage battery and a residual electricity utilization assembly 1; the energy storage battery is electrically connected with the residual electricity utilization assembly 1.
Further, the residual electricity utilization assembly comprises a first reservoir 11, a dam 12, a second reservoir 13, a water drainage channel 14, a water pump and a generator; the first reservoir 11 is arranged above the second reservoir 13 and is in staggered design with the second reservoir 13; the dam is arranged at the front end of the first reservoir 11, and the water drainage channel is connected with the dam; the water in the first reservoir 11 enters a second reservoir 13 through a drainage channel; the water pump is arranged in the second reservoir 13 and is used for pumping water in the second reservoir 13 into the first reservoir 11; the generator is mounted on the dam 12; the generator can generate power when 11 water in the first reservoir enters the drainage channel through the dam; the water pump and the generator are both electrically connected with the energy storage battery.
Further, the second reservoir 13 is designed as an inverted cone.
Furthermore, the water pump is directly connected with the photovoltaic power generation module 3 through a remote switch controller.
Further, the wind power generation module 2 comprises a wind power generator set and an AC/DC converter, and the wind power generator set is electrically connected with the energy storage module 4 through the AC/DC converter.
Further, the photovoltaic power generation module 3 comprises a photovoltaic power generation group and a DC/DC converter, and the photovoltaic power generation group is electrically connected with the energy storage module 4 through the DC/DC converter.
Example 1
As shown in fig. 1, the flexible dc power distribution network accessed by a high-altitude area and a distributed power supply provided by the invention comprises a wind power generation module, a photovoltaic power generation module, an energy storage module, a transmission module and a load, wherein the wind power generation module and the photovoltaic power generation module are both electrically connected with the energy storage module, and the energy storage module is electrically connected with the load through the transmission module.
During the in-service use, wind power generation module converts wind energy into the electric energy, and photovoltaic power generation module converts solar energy into the electric energy to in the electric energy storage module that will convert the acquisition, the energy storage module receives electric power and discharges and stabilizes the output, is transmitting the electric energy to the load through transmission module, satisfies the famous life and the production power consumption in high altitude area.
The flexible direct current distribution network that high altitude area and distributed generator of this application inserted supplies power stably, and resource utilization is high.
As shown in fig. 1, in this embodiment, the energy storage module includes an energy storage battery and a surplus electricity utilization assembly 1, and the energy storage battery and the surplus electricity utilization assembly 1 are electrically connected. When the wind power generation device is in practical use, the energy storage battery receives and transmits electric energy obtained by conversion of the wind power generation module and the photovoltaic power generation module, when the received electric energy is more and the energy storage battery is fully charged, the redundant electric energy is transmitted to the residual electricity utilization assembly 1, the utilization rate of the electric energy is improved, meanwhile, when the peripheral environment is poor and the electric energy converted by the photovoltaic power generation module and the wind power generation module is less, the residual electricity utilization assembly 1 can be used for grid-connected power generation, and the pressure of insufficient electric energy is relieved.
Example 2
As shown in fig. 2, in the present embodiment, the residual electricity utilization assembly 1 includes a first reservoir 11, a dam 12, a second reservoir 13, a water drainage channel 14, a water pump and a generator, the first reservoir 11 is located at a high position of the second reservoir 13, the dam 12 is installed at a front end of the first reservoir 11, water in the first reservoir 11 enters the second reservoir 13 through the water drainage channel 14, the water pump is used for pumping water in the second reservoir 13 into the first reservoir 11, the generator is installed at the dam 12, the generator can generate electricity when water in the first reservoir 11 enters the water drainage channel 14 through the dam 12, and both the water pump and the generator are electrically connected to an energy storage battery. During practical use, when the electric energy of the energy storage battery is sufficient, the redundant electricity generated by the wind power generation module and the photovoltaic power generation module is pumped into the first reservoir 11 by the water pump to pump the water in the second reservoir 13, when the electric energy of the energy storage battery is insufficient, the water enters the water escape way 14 from the dam 12 and finally flows into the second reservoir 13 by opening the gate of the dam 12, the generator arranged in the dam 12 generates electricity, and the electric energy of the energy storage battery is supplemented.
The wind power generation module comprises a wind power generator set and an AC/DC converter, and the wind power generator set is electrically connected with the energy storage module through the AC/DC converter. In actual use, the wind generating set converts wind energy into electric energy, and an alternating current voltage is converted into a direct current voltage through an AC/DC converter.
The photovoltaic power generation module comprises a photovoltaic power generation group and a DC/DC converter, and the photovoltaic power generation group is electrically connected with the energy storage module through the DC/DC converter. In actual use, the photovoltaic power generation set converts solar energy into electric energy, and the DC/DC converter converts the voltage of the direct-current voltage.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and other implementations are also included, and any obvious substitutions are within the scope of the present invention without departing from the spirit of the present invention.

Claims (7)

1. The utility model provides a flexible direct current distribution network of high altitude area and distributed generator access which characterized in that: the system comprises a wind power generation module (2), a photovoltaic power generation module (3), an energy storage module (4), a transmission module (5) and a load (6); the wind power generation module (2) and the photovoltaic power generation module (3) are electrically connected with the energy storage module (4); the energy storage module (4) is electrically connected with a load (6) through a transmission module (5).
2. The high-altitude area and distributed power access flexible direct current distribution network of claim 1, wherein: the energy storage module (4) comprises an energy storage battery and a residual electricity utilization assembly (1); the energy storage battery is electrically connected with the residual electricity utilization assembly (1).
3. The high-altitude area and distributed power access flexible direct current distribution network of claim 2, wherein: the residual electricity utilization assembly comprises a first water storage tank (11), a dam (12), a second water storage tank (13), a water drainage channel (14), a water pump and a generator (16); the first reservoir (11) is arranged above the second reservoir (13) and is in staggered design with the second reservoir (13); the dam is arranged at the front end of the first reservoir (11), and the water drainage channel is connected with the dam; the water in the first reservoir (11) enters the second reservoir (13) through the drainage channel; the water pump is arranged in the second reservoir (13) and is used for pumping water in the second reservoir (13) into the first reservoir (11); the generator (16) is mounted on the dam (12); the generator can generate electricity when water (11) in the first reservoir enters the drainage channel through the dam; the water pump and the generator (16) are both electrically connected with the energy storage battery.
4. The high-altitude area and distributed power access flexible direct current distribution network of claim 3, wherein: the second reservoir (13) is designed to be inverted cone-shaped.
5. The high-altitude area and distributed power access flexible direct current distribution network of claim 3, wherein: the water pump is directly connected with the photovoltaic power generation module (3) through a remote switch controller.
6. The high-altitude area and distributed power access flexible direct current distribution network of claim 1, wherein: the wind power generation module (2) comprises a wind power generator set and an AC/DC converter, and the wind power generator set is electrically connected with the energy storage module (4) through the AC/DC converter.
7. The high-altitude area and distributed power access flexible direct current distribution network of claim 1, wherein: the photovoltaic power generation module (3) comprises a photovoltaic power generation group and a DC/DC converter, and the photovoltaic power generation group is electrically connected with the energy storage module (4) through the DC/DC converter.
CN202010564071.XA 2020-06-19 2020-06-19 Flexible direct current distribution network for high-altitude area and distributed power supply access Pending CN111740487A (en)

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CN202010564071.XA CN111740487A (en) 2020-06-19 2020-06-19 Flexible direct current distribution network for high-altitude area and distributed power supply access

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Application Number Priority Date Filing Date Title
CN202010564071.XA CN111740487A (en) 2020-06-19 2020-06-19 Flexible direct current distribution network for high-altitude area and distributed power supply access

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797613A (en) * 2011-05-25 2012-11-28 中国科学院工程热物理研究所 Water pumping and compressed air energy storage system
CN106253261A (en) * 2016-08-17 2016-12-21 上海电机学院 A kind of distributed mixed DC micro-grid system
CN209516632U (en) * 2019-05-05 2019-10-18 南京工程学院 Access the alternating current-direct current mixing distribution net work structure of distributed generation resource

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797613A (en) * 2011-05-25 2012-11-28 中国科学院工程热物理研究所 Water pumping and compressed air energy storage system
CN106253261A (en) * 2016-08-17 2016-12-21 上海电机学院 A kind of distributed mixed DC micro-grid system
CN209516632U (en) * 2019-05-05 2019-10-18 南京工程学院 Access the alternating current-direct current mixing distribution net work structure of distributed generation resource

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